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Silver ion long-acting sterilization wall coating and preparation method thereof

A silver ion, long-acting technology, applied in the field of coatings, can solve the problems of human liver injury, inhalation, etc., achieve the effect of inhibiting Aspergillus niger, improving stability, and increasing use value

Pending Publication Date: 2021-06-04
周志茹
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Chinese patent publication number is that CN111040598A discloses a kind of green antibacterial wall body paint, and its preparation raw material comprises: waterborne polyurethane, diatomite, antibacterial agent, stabilizer, leveling agent, calcium carbonate and defoamer, mentioned in the open patent that adopts The antibacterial agent is inorganic nano antibacterial agent, inorganic nano antibacterial agent such as inorganic nano silver particles, because its particle size is too small, there may be the danger of being inhaled by the human body during use, and nano silver particles have super permeability, May cause some damage to the human liver

Method used

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preparation example Construction

[0056] The second aspect of the present invention provides a method for preparing a silver ion long-acting bactericidal wall coating, comprising the following steps:

[0057] 1) Add active group-containing monomers into water, then add surfactant and silver ion water and stir and mix;

[0058] 2) Add coupling agent, filler, film-forming agent and defoamer to step 1), stir, and react for 1-3 hours to obtain.

Embodiment 1

[0062] A silver ion long-acting bactericidal wall paint, the raw materials for preparation include: 1% electrolytic silver water, 50% water-based polyurethane monomer, 0.5% surfactant, 1% filler, 0.1% coupling agent, 2 , 2,4-trimethyl-1,3-pentanediol monoisobutyrate 0.1%, defoamer 0.1%, water to add the balance to 100%.

[0063] The mass concentration of the electrolytic silver water is 25ppm.

[0064] The surfactant is selected from coconut oil fatty acid diethylamide and C12-14 alkyl glycoside, and its weight ratio is 1:0.1.

[0065] The filler is selected from calcium carbonate with a particle size of 4000 mesh and 6250 mesh, and its weight ratio is 1:2.5.

[0066] The coupling agent is selected from isopropyl tris (dioctyl pyrophosphate acyloxy) phthalate and isopropyl tris (dioctyl phosphate acyloxy) phthalate, and its weight ratio is 1:0.1 .

[0067] The defoamer is selected from silicone defoamers, model GS-5820, purchased from Shanghai Zicheng International Trade Co...

Embodiment 2

[0073] A silver ion long-acting bactericidal wall paint, the raw materials for preparation include: electrolytic silver water 3%, water-based polyurethane monomer 70%, surfactant 2%, filler 2%, coupling agent 3%, 2% by weight. , 2,4-trimethyl-1,3-pentanediol monoisobutyrate 1%, defoamer 1%, water to add the balance to 100%.

[0074] The mass concentration of the electrolytic silver water is 25ppm.

[0075] The surfactant is selected from coconut oil fatty acid diethylamide and C12-14 alkyl glucoside, and its weight ratio is 1:0.5.

[0076] The filler is selected from calcium carbonate with a particle size of 4000 mesh and 6250 mesh, and its weight ratio is 1:4.

[0077] The coupling agent is selected from isopropyl tris (dioctyl pyrophosphate acyloxy) phthalate and isopropyl tris (dioctyl phosphate acyloxy) phthalate, and its weight ratio is 1:0.5 .

[0078] The defoamer is selected from silicone defoamers, model GS-5820, purchased from Shanghai Zicheng International Trade ...

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Abstract

The invention belongs to the technical field of coatings, and particularly relates to a silver ion long-acting sterilization wall coating and a preparation method thereof. The invention relates to a silver ion long-acting sterilization wall coating, which is prepared from the following raw materials: electrolytic silver water, an active group-containing monomer, a surfactant and a filler. According to the prepared silver ion long-acting sterilization wall coating, under the condition that the specific electrolytic silver water concentration is required, the silver ions in the prepared wall coating do not easily fall off, the stability is high, and the long-acting sterilization effect is guaranteed. The silver ion long-acting sterilizing wall coating prepared by the invention can well inhibit wall mildewing, especially aspergillus niger, and also can ensure that the wall coating is used at a low temperature, so that the use environment and the application value of the coating are expanded.

Description

technical field [0001] The invention belongs to the technical field of coatings, and more specifically relates to a silver ion long-acting bactericidal wall coating and a preparation method thereof. Background technique [0002] With the rapid development of the construction industry and the improvement of people's living standards, the requirements for wall coatings are becoming more and more diverse, including not only the requirements for the color of the coating, but also the improvement of the performance of the coating, the environmental protection of the coating, and the Human health and other aspects of the requirements. [0003] Chinese patent publication number is that CN111040598A discloses a kind of green antibacterial wall body paint, and its preparation raw material comprises: waterborne polyurethane, diatomite, antibacterial agent, stabilizer, leveling agent, calcium carbonate and defoamer, mentioned in the open patent that adopts The antibacterial agent is i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/14C09D175/04C09D7/61
CPCC09D5/14C09D175/04C09D7/61C08K2003/265C08K2201/005C08K3/26
Inventor 周慕妍周志才周志茹
Owner 周志茹
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